A.thrust block
B.sounding rod
C.connecting rod
D.push rod
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A.a cooling system
B.a lubrication oil system
C.an electric system
D.an injection system
A.much
B.more
C.most
D.less
A.lower than；can lubricate
B.lower than；can cool
C.higher than；can enter
D.higher than ；cannot enter
A.the cylinder cover
B.the piston rings
C.the piston crown
D.the piston skirt
A.whatever
B.whenever
C.wherever
D.whoever
最新試題
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
An automated diesel engine should normally shut down due to （）
Diesel engine control can be obtained by the bridge （）.
Lube oil cannot be efficiently filtered if its （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
To determine if the lube oil filter elements need changing, （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Proper filtering and straining of fuel oil is important because the （）.